(19)

(11)

EP 2 791 072 A2

(12)

(88) Date of publication A3: 26.09.2013 (43) Date of publication: 22.10.2014 Bulletin 2014/43 (21) Application number: 12812438.5 (22) Date of filing: 07.12.2012

(51) International Patent Classification (IPC):  C03C 17/245(2006.01) C03C 17/34(2006.01) (86) International application number: PCT/US2012/068354 (87) International publication number: WO 2013/090131 (20.06.2013 Gazette 2013/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 15.12.2011 US 201161570954 P (71) Applicant: Dow Global Technologies LLC Midland, MI 48674 (US)	(72) Inventors: MALEK, Andrzej M. Midland, MI 48642 (US) BRYDEN, Todd R. 40223 Dusseldorf (DE) LEBARON, Peter C. Hope, MI 48628 (US) (74) Representative: Beck Greener  Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)